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Stargate • 1652 stories • Updated 30 Jul

What if Willow's spell didn't just activate the slayers on this planet? When the goa'uld took their slaves to seed the galaxy, were humans all they took? Could Andrew enter the SGC without hypervenilating to death? The answers lie within our selection of Stargate crossover fanfics.

Join the Scoobies as they go through the Stargate with Jack, Sam, Daniel & Teal'c, or head further afield to the city of Atlantis.

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Alex is back from her 5-day trip to Hermione Granger’s world. But she's going to need everything she learned if she wants to survive, starting with finding her world's Willow Rosenberg. (Cross with BtVS, SG-1, HP, DCU...)
Only the author can add chapters to this story Stargate > General • DianeCastle • FR13 • Chapters [204] • Words [986,537] • Recs [218] • Reviews [4815] • Hits [544,710] • Published [12 Dec 12] • Updated [30 Jul 14] • Completed [No]
Just decided to write up a prologue for this challenge, I don't know whether I will take it any further, I certainly may do If I get positive response, and anyone can feel free to continue with the Challenge using my work if they want to, I hope you enjoy
You can add chapters to this story Stargate > General • Ian • FR13 • Chapters [1] • Words [2,863] • Recs [0] • Reviews [4] • Hits [206] • Published [30 Jul 14] • Updated [30 Jul 14] • Completed [No]
The Scoobies and the Cordettes make a bet over Halloween costumes and all end up dressing up as crew of a ship from the book Ringworld. Multiple Crossovers. Pairings still to be determined but will include X/C.
Only the author can add chapters to this story Stargate > General > General: SG-1 • Balder • FR18 • Chapters [13] • Words [25,445] • Recs [5] • Reviews [125] • Hits [43,573] • Published [8 Jul 13] • Updated [30 Jul 14] • Completed [No]
In the future, someone makes Xander a job offer he can't refuse.
Only the author can add chapters to this story Stargate > General • poe • FR18 • Chapters [19] • Words [101,337] • Recs [53] • Reviews [283] • Hits [173,419] • Published [17 May 09] • Updated [29 Jul 14] • Completed [No]
YAHF, Xander chooses reluctantly to dress as a certain Grand Moff Tarkin. WARNING: First chapter, Prologue, contains a scene of genocide
Only the author can add chapters to this story Stargate > Xander-Centered • DarthTenebrus • FR18 • Chapters [15] • Words [69,231] • Recs [17] • Reviews [296] • Hits [73,669] • Published [28 Apr 13] • Updated [29 Jul 14] • Completed [No]
It's not enough that Wolfram and Hart lost their hold on Earth.
Only specified co-authors can add chapters to this story Stargate > Other BtVS/AtS Characters > Connor • kattz + 1 other • FR18 • Chapters [11] • Words [18,738] • Recs [9] • Reviews [90] • Hits [20,784] • Published [22 Apr 10] • Updated [28 Jul 14] • Completed [No]
A Willow story I have on FF.net. Willow meets the gang from the SGC under extraordinary circumstances.
Only the author can add chapters to this story Stargate > Willow-Centered > Pairing: Other • fmfan • FR18 • Chapters [51] • Words [265,094] • Recs [3] • Reviews [9] • Hits [19,704] • Published [13 Jul 14] • Updated [28 Jul 14] • Completed [No]
On Tallura, Dawn and the others may be safely out of Glory’s reach, but their adventures are only just beginning. And safety is always a relative condition - sequel to "Fate's Little Plaything Volume One".
Only the author can add chapters to this story Stargate > General • Cordyfan • FR13 • Chapters [22] • Words [266,640] • Recs [31] • Reviews [271] • Hits [57,012] • Published [14 Mar 11] • Updated [24 Jul 14] • Completed [No]
And in those days of darkness a brave few stood against the wave of evil. Some fell, others were broken, a few triumphed. All were heroes. This is their story.
Only specified co-authors can add chapters to this story Stargate > General > Theme: Multi-Crossovers • HMaxMarius + 19 others • FR18 • Chapters [314] • Words [503,149] • Recs [12] • Reviews [1065] • Hits [321,385] • Published [18 Dec 12] • Updated [22 Jul 14] • Completed [No]
Drabble. A new officer for Atlantis arrives on the Daedalus and seems a little... off-color.
Only the author can add chapters to this story Stargate > Other BtVS/AtS Characters > Lorne • (Current Donor)Speakertocustomers • FR7 • Chapters [1] • Words [106] • Recs [0] • Reviews [15] • Hits [1,351] • Published [21 Jul 14] • Updated [21 Jul 14] • Completed [Yes]
Xander centric. Fo Halloween Xander rents a hollywood prop space suit and awakens from a nightmare as a NSW Spartan (Halo III). The only one on earth or this universe. With Cortana's help they will change this Earths future.
Only the author can add chapters to this story Stargate > Xander-Centered > Theme: Soldier Xander • Grendel • FR15 • Chapters [20] • Words [261,865] • Recs [47] • Reviews [211] • Hits [114,966] • Published [18 Sep 13] • Updated [20 Jul 14] • Completed [No]
Janus unhappy with how things are being handled in Sunnydale and elsewhere by the Powers That Be decides to intervene and in so doing changes the destiny and fate of an entire planet forever.
Only the author can add chapters to this story Stargate > Xander-Centered • ajw • FR18 • Chapters [3] • Words [17,205] • Recs [7] • Reviews [42] • Hits [10,440] • Published [22 May 14] • Updated [20 Jul 14] • Completed [No]
Captain Samantha Carter goes to look for help to re-open the Star Gate after the first Abydos mission and heads to LA to speak with a young genius who works in a public library. Written for the IDFS 2013-2014
Only the author can add chapters to this story Stargate > Fred/Illyria-Centered > Pairing: Other • (Current Donor)vidicon • FR15 • Chapters [2] • Words [9,639] • Recs [3] • Reviews [30] • Hits [4,859] • Published [22 Jul 13] • Updated [19 Jul 14] • Completed [No]
Investigating the mystery of ‘Doyle’, SG-1 arrive in Los Angeles just in time to witness the resurrection of an ancient nightmare
Only the author can add chapters to this story Stargate > Spike-Centered > Pairing: Other • MarcusSLazarus • FR15 • Chapters [4] • Words [9,881] • Recs [0] • Reviews [20] • Hits [3,753] • Published [26 May 14] • Updated [18 Jul 14] • Completed [No]
Slayers, Assassins and special forces teams
Only the author can add chapters to this story Stargate > Buffy-Centered • LaraBr • FR18 • Chapters [8] • Words [27,846] • Recs [5] • Reviews [37] • Hits [11,925] • Published [12 Jun 14] • Updated [17 Jul 14] • Completed [No]
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